Re: How to read (or adjust) a single entry of an object wich comes from an array

On 2006-08-26 03:37:14 -0600, "T. Wintershoven" <twintershoven@xxxxxxxxx> said:

English version:
Hi
In a simple testcode i made a few objects from an array.
This works fine when i read the objects with a foreach statement. (see code
below)

But when i trie to read a single object from this array, i get an
errormessage that an unexpected [ exists on line x
if($objCar[1]->$this->m_sColor=="Blue")

I searched the internet and found something that could bring the solution.
Place the wanted object in a variable first and than read it.
$oCar=$objCar[1];
if($oCar->$this->m_sColor=="Blue")
I now get an errormessage Fatal error: Cannot use object of type clsCar as
array in /cursusaccounts/twintershovedu/site/OOAuto1.php on line 60

My question is:
How can i read a single object wich is created from an array so that the
code below does work.

------------------ The
Code ----------------------------------------------------
$aCar = array();

$aCar[0] = new clsCar("Mercedes", "A180", "Beige");
$aCar[1] = new clsCar("Toyota", "Avensis", "Blauw");
$aCar[2] = new clsCar("Volvo", "440", "Wit");

foreach($aCar as $objCar)
{
$objCar->printCarProperties();
}

//Till this point all works fine..... but then......

$oCar=$objCar[1];

if($oCar->$this->m_sColor=="Blue")
{
echo"<br>Yes... This car is blue";
}
----------------------------------------------------------------------------
---------
Thanks in advanced
Tino Wintershoven
The Netherlands

Change

$oCar=$objCar[1];

to

$oCar=$aCar[1];

Your not in the foreach loop anymore so $objCar is left as equal to $aCar[2] at that point. Your statement says in essence $oCar=$aCar[2][1]; I assume $aCar[2][1] is invalid. Then change

if($oCar->$this->m_sColor=="Blue")

to

if($oCar->m_sColor=="Blue)

unless your $this variable has as a property name in it at that point. If it does you could do

if ($oCar->$$this->m_sColor=="Blue")

where $this == the name of an internal object...

I don't really see why if($aCar[1]->m_sColor=="Blue") couldn't work there as instead of all that.

.

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